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Explanation: How did Epimetheus form? No one is yet sure. To help answer that question, this small moon has recently been imaged again in great detail by the robot spacecraft Cassini now orbiting Saturn. Epimetheus sometimes orbits Saturn in front of Janus, another small satellite, but sometimes behind. The above image, taken last December, shows a surface covered with craters indicating great age. Epimetheus spans about 115 kilometers across. Epimetheus does not have enough surface gravity to restructure itself into a sphere. The flattened face of Epimetheus shown above might have been created by a single large impact.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: Saturn - cassini spacecraft
Publications with words: Saturn - cassini spacecraft
See also:
- APOD: 2025 February 23 Á Saturn in Infrared from Cassini
- APOD: 2025 January 19 Á Titan Touchdown: Huygens Descent Movie
- APOD: 2024 December 8 Á Aurora around Saturns North Pole
- Saturn at Night
- APOD: 2024 August 27 Á Moon Eclipses Saturn
- APOD: 2024 June 23 Á The Colors of Saturn from Cassini
- Crescent Enceladus